Finding the Fourth Proportional to 218,363,465.10, 327,545,197.65 and 103,572,209.10
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Solution
The fourth proportional to 218,363,465.10, 327,545,197.65 and 103,572,209.10 is: 155,358,313.65
Step by Step Solution
- Step 1: Write the proportion equation
218,363,465.10 : 327,545,197.65 = 103,572,209.10 : x - Step 2: Convert to fraction form
218,363,465.10/327,545,197.65 = 103,572,209.10/x - Step 3: Cross multiply
218,363,465.10x = 327,545,197.65 × 103,572,209.10 - Step 4: Simplify right side
218,363,465.10x = 33,924,579,700,706,624 - Step 5: Solve for x
x = 33,924,579,700,706,624/218,363,465.10 - Step 6: Final answer
x = 155,358,313.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.